Finding the Fourth Proportional to 1,811.56, 2,500.04 and 1,148.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.56 : 2,500.04 = 1,148.16 : x
2. Step 2: Convert to fraction form
   1,811.56/2,500.04 = 1,148.16/x
3. Step 3: Cross multiply
   1,811.56x = 2,500.04 × 1,148.16
4. Step 4: Simplify right side
   1,811.56x = 2,870,445.93
5. Step 5: Solve for x
   x = 2,870,445.93/1,811.56
6. Step 6: Final answer
   x = 1,584.52